Re: Samuel Calhoun Roane and Julia Embree Roane

I am researching Ewing Roan married Elizabeth Hanna.Ewing was a surgeon in the Mexican War.Is there a relation to Samuel Calhoun?I have Sam's wife as Ann Hobbs.I am also trying to see if John Seldon Roane is related?Any help would be great!My gg grandmother was Ella Roane Thurston.Susan